---
revision: "1.3"
date: 2026-06-25
---

(js320)=

# Joulescope JS320 User's Guide

![Joulescope JS320](media/js320_image3.png)

**Precision DC Energy Analyzer**

Revision 1.3, last revised 2026 June 25.

![Joulescope JS320 in use](media/js320_image4.jpeg)

```{toctree}
:numbered:
:maxdepth: 2

overview
meet
quick_start
specifications
host_software
connect
theory
front_panel
gpio
fuse
isolation
filters
typical_behavior
maintenance
ordering
compliance
warranty
intellectual_property
changelog
```